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Chlorine Granules control bacteria and algae in Spa & Hot Tub Water. It is the most popular sanitizer for spas and pools.

Chlorine should be kept in the 2 and 5 ppm (parts per minimum) range.

I cap full should result in 1  colour change on your test strip.

When adding, be sure you have at least one pump running. Do not use your hot tub for at least 30 minutes after adding.

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